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Volume 27 Issue 3
Mar.  2005
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Wang Lei, Zhu Shi-hua, Wang Jun . An Orthogonal Space-Time Block Code Based on Matrix Rotation[J]. Journal of Electronics & Information Technology, 2005, 27(3): 397-401.
Citation: Wang Lei, Zhu Shi-hua, Wang Jun . An Orthogonal Space-Time Block Code Based on Matrix Rotation[J]. Journal of Electronics & Information Technology, 2005, 27(3): 397-401.

An Orthogonal Space-Time Block Code Based on Matrix Rotation

  • Received Date: 2003-10-09
  • Rev Recd Date: 2004-04-26
  • Publish Date: 2005-03-19
  • According to the theory of orthogonal designs, Tarokh et al.(1999) proved that a complex orthogonal space-time block code that provides full diversity and full transmission rate is not feasible for more than two antennas. Whereas the non-orthogonal space-time block codes which obtain higher transmission rate at the cost of orthogonality and partial diversity gain may degrade the performance. By rotating the channel correlation matrix of the non-orthogonal space-time block code, this paper proposes an orthogonal rate-one space-time block code which provides partial diversity but can be linearly decoded at the receiver. Simulation results show that the scheme has better Bit Error Rate (BER.) performance compared to the existing typical codes.
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  • Tarokh V, Seshadri N, Calderbank A R. Space-time codes for high data rate wireless communication: Performance analysis and code construction[J].IEEE Trans. on Info. Theory.1998, 44(2):744-765[2]Alamouti S M. A simple transmitter diversity scheme for wireless communications[J].IEEE J. on Select. Areas Comm.1998, 16(8):1451-[3]Tarokh V, Jafarkhani H, Calderbank A R. Space-time block codes from orthogonal designs[J].IEEE Trans. on Info. Theory.1999,45(5):1456-[4]Tarokh V, Jafarkhani H, Calderbank A R. Space-time block coding for wireless communications: Performance results[J].IEEE J.on Select. Areas Comm.1999, 17(3):451-[5]Tirkkonen O, Boariu A, Hottinen A. Minimal non-orthogonality rate 1 space-time block code for 3+Tx[J].International Symposium on Spread Spectrum Techniques Applications, New Jersey,USA, Sept.2000, 2:429-[6]Jafarkhani H. A quasi-orthogonal space-time block code[J].IEEE Trans. on Comm.2001, 49(1):1-[7]Boariu A, Ionescu D M. A class of nonorthogonal rate-one space-time block codes with controlled interference[J].IEEE Trans.on Wireless Comm.2003, 2(2):270-[8]Papadias C B, Foschini G J. A space-time coding approach for systems employing four transmit antennas. IEEE International Conference on Acoustics, Speech and Signal Processing, Salt Lake City, Utah, USA, May 2001, 4:2481 - 2484.[9]Rouquette S, Merigeault S, Gosse K. Orthogonal full diversity space-time block coding based on transmit channel state information for 4 Tx antennas. IEEE International Conference on Communications, New York City, USA, May 2002, 1:558- 562.[10]张贤达.信号处理中的线性代数.北京:科学出版社,1997:64.
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